Get AWS VPC tags using Boto3, for use as an external Terraform data source

vpc_tags.py

import json
import boto3
import sys

data = json.load(sys.stdin)

ec2 = boto3.resource('ec2', region_name=data["region"])
client = boto3.client('ec2', region_name=data["region"])
filters = [{'Name':'tag:Name', 'Values':[data["vpc_name"]]}]
vpcs = list(ec2.vpcs.filter(Filters=filters))
tags = {}

for vpc in vpcs:
    response = client.describe_vpcs(
            VpcIds=[
                vpc.id,
            ]
    )
    for tag in response["Vpcs"][0]["Tags"]:
        tags[tag["Key"]] = tag["Value"]

sys.stdout.write(json.dumps(tags))